1. Introduction to C63200 Alloy
C63200 nickel aluminum bronze is a high-strength copper-based alloy known for its exceptional mechanical properties and corrosion resistance. This analysis provides detailed information about its characteristics, specifications, and applications.
2. Chemical Composition
The precise chemical composition according to ASTM standards:
| nach Extrusionsabschrecken und künstlicher Alterung HBS≥80 | Zusammensetzungsbereich (%) | Optimal Range (%) |
|---|---|---|
| Kupfer | 81.0 – 83.0 | 82.0 |
| Aluminium (Al) | 8,5 – 9,5 | 9.0 |
| Nickel (Ni) | 4.0 - 4.8 | 4.5 |
| Eisen (Fe) | 3,5 - 4,3 | 4.0 |
| Mangan (Mn) | 1,2 – 2,0 | 1.5 |
| Silizium (Si) | 0.10 max | 0.05 |
| Blei (Pb) | 0.02 max | 0.01 |
| Zink (Zn) | 0.20 max | 0.10 |
3. Mechanical Properties
3.1 Standard Mechanical Properties at Room Temperature
| Eigentum | Metrische Einheiten | Imperial Units |
|---|---|---|
| Ultimative Zugfestigkeit | 640-720 MPa | 93-104 ksi |
| Streckgrenze (0,2 % Offset) | 280-380 MPa | 41-55 ksi |
| Elongation in 50mm | 15% min | 15% min |
| Flächenreduzierung | 20% min | 20% min |
| Härte (Brinell) | 160-200 HB | 160-200 HB |
| Impact Strength (Charpy V-notch) | 34 J | 25 ft-lb |
3.2 Temperature-Dependent Properties
| Temperatur (°C) | Zugfestigkeit (MPa) | Streckgrenze (MPa) | Dehnung (%) |
|---|---|---|---|
| -196 | 850 | 420 | 12 |
| 20 | 680 | 330 | fünfzehn |
| 100 | 650 | 310 | 16 |
| 200 | 600 | 280 | 18 |
| 300 | 520 | 250 | 20 |
| 400 | 400 | 200 | 25 |
4. Physikalische Eigenschaften
| Eigentum | Wert | Einheiten |
|---|---|---|
| Dichte | 7.45 | g/cm³ |
| Schmelzbereich | 1030-1060 | °C |
| Spezifische Wärme | 0.377 | kJ/kg·K |
| Wärmeleitfähigkeit | 42 | W/m·K |
| Elektrischer widerstand | 13.3 | μΩ·cm |
| Elastizitätsmodul | 110 | GPa |
| Poisson-Zahl | 0.33 | – |
| Magnetische Permeabilität | 1.05 | – |
5. Dimensional Specifications
5.1 Standard Tube Sizes
| Nenn-Außendurchmesser (mm) | Wall Thickness Range (mm) | Standardlängen (m) |
|---|---|---|
| 12.7 – 25.4 | 1.2 – 3.2 | 3, 6 |
| 31.8 – 50.8 | 1.6 – 4.8 | 3, 6 |
| 63,5 – 101,6 | 2.1 – 6.4 | 3, 6 |
| 114,3 – 219,1 | 3.2 – 12.7 | 3, 6 |
| 273,0 – 406,4 | 4.8 – 19.1 | 3, 6 |
5.2 Tolerances
| Abmessungen | Tolerance Range |
|---|---|
| Außendurchmesser | ±0.25mm up to 50mm OD |
| Wandstärke | ±10 % |
| Länge | +3mm, -0mm |
| Geradlinigkeit | 1.5mm per meter |
| Ovalität | 1% of OD max |
6. Korrosionsbeständigkeitseigenschaften
6.1 Corrosion Rates in Different Environments
| Umfeld | Temperatur (°C) | Korrosionsrate (mm/Jahr) |
|---|---|---|
| Meerwasser | 20 | 0.025 |
| Süßwasser | 20 | 0.013 |
| 3% NaCl Solution | 20 | 0.028 |
| 10 % H₂SO₄ | 20 | 0.fünfzehn |
| 10% HCl | 20 | 0.22 |
| Industrielle Atmosphäre | 20 | 0.008 |
6.2 Environmental Resistance Ratings
| Umfeld | Rating (1-10) | ist ein niedrig legierter, hochfester Baustahl nach chinesischem GB-Standard |
|---|---|---|
| Marine | 9 | Excellent resistance |
| Industrie | 8 | Very good resistance |
| Chemische Verarbeitung | 7 | Good for most applications |
| High Temperature | 8 | Maintains properties well |
| Verschleißfestigkeit | 8 | Superior to standard bronzes |
| Stress Corrosion | 9 | Highly resistant |
7. Manufacturing and Processing
7.1 Fabrication Parameters
| Verfahren | Recommended Parameters |
|---|---|
| Heiße Arbeitstemperatur | 760-870°C |
| Glühtemperatur | 650-750°C |
| Temperatur zum Stressabbau | 350-400°C |
| Maximale Betriebstemperatur | 315°C |
7.2 Welding Specifications
| Welding Process | Recommended Parameters | Filler Metal |
|---|---|---|
| GTAW | DC Straight Polarity | ERCuNiAl |
| GMAW | DC Reverse Polarity | ERCuNiAl |
| SMAW | DC Reverse Polarity | ECuNiAl |
8. Qualitätskontrollanforderungen
8.1 Testing Requirements
| Testtyp | Standard | Frequenz |
|---|---|---|
| Chemische Analyse | ASTM E478 | Pro Lauf |
| Zugversuch | ASTM E8 | Pro Los |
| Härteprüfung | ASTM E10 | Pro Los |
| Ultraschallprüfung | ASTM E213 | 100 % |
| Hydrostatische Prüfung | ASTM E498 | 100 % |
8.2 Surface Finish Requirements
| Surface Condition | Roughness (Ra) | Anwendung |
|---|---|---|
| Standard Finish | 3.2 μm | General Purpose |
| Smooth Finish | 1.6 μm | Hydraulic Applications |
| Polished Finish | 0.8 μm | Critical Flow Service |
| Mirror Finish | 0.4 μm | Special Applications |
9. Applications and Industry Standards
9.1 Industry-Specific Applications
| Industrie | Anwendungen | Schlüsselanforderungen |
|---|---|---|
| Marine | Propeller Shafts, Pump Housings | Korrosionsbeständigkeit |
| Oil & Gas | Valve Bodies, Bearings | Strength, Wear Resistance |
| Chemische Verarbeitung | Heat Exchangers, Reactors | Chemical Resistance |
| Energieerzeugung | Pump Components, Fittings | Reliability, Durability |
| Bergbau | Wear Plates, Bushings | Abrasion Resistance |
9.2 Applicable Standards
| Standard | Beschreibung | Umfang |
|---|---|---|
| ASTM B150 | Standard Specification | Material Requirements |
| ASTM B271 | Seamless Tubes | Herstellung |
| NACE MR0175 | Saurer Service | Oil & Gas Applications |
| ISO 9001 | Qualitätsmanagement | Process Control |
| DNV-GL | Marine Certification | Maritime Applications |
10. Economic Considerations
10.1 Cost Factors
| Faktor | Impact Level | Rücksichtnahme |
|---|---|---|
| Rohstoffkosten | Hoch | Market-dependent |
| Bearbeitungskosten | Mittel | Complex manufacturing |
| Installationskosten | Niedrig | Standard procedures |
| Wartungskosten | Niedrig | Long service life |
| Lebenszykluskosten | Favorable | Extended durability |
This comprehensive analysis provides essential information for engineers, procurement specialists, and technical professionals working with C63200 nickel aluminum bronze tubes. The data presented should be verified for specific applications and operating conditions.